Show On the tha west est coast of or India Is found a a. of 0 oyster placenta nta whose shell consists of ot a n pair of or roughly circular plates about six Inch Inches in diameter thai dia meter thin and white At present the these 1 oysters ar are i collected for or the tho p pearls which th they often orten contain although few arc tit fit for the u ute uie e of the thc Jeweler Hut But In the tho early days of English rule In India tho the shells were cre employed for window panes Cut Into little squares the they produced a 11 aery avery ery very pretty effort effect admitting light like frosted Gln glass When Whon th the thA a cathedral cathe dral was built at tho the of at the e eighteenth nth century It its windows were wert I paned p with these oyster shells In Goa thc they nf are arc still thus titus employed |